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root/radiance/ray/src/cv/bsdfrep.c
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Comparing ray/src/cv/bsdfrep.c (file contents):
Revision 2.8 by greg, Fri Nov 9 02:16:29 2012 UTC vs.
Revision 2.11 by greg, Thu Nov 22 06:07:17 2012 UTC

# Line 82 | Line 82 | new_input_direction(double new_theta, double new_phi)
82   int
83   use_symmetry(FVECT vec)
84   {
85 <        double  phi = get_phi360(vec);
85 >        const double    phi = get_phi360(vec);
86  
87          switch (inp_coverage) {
88          case INP_QUAD1|INP_QUAD2|INP_QUAD3|INP_QUAD4:
# Line 189 | Line 189 | rotate_rbf(RBFNODE *rbf, const FVECT invec)
189          int                     pos[2];
190          int                     n;
191  
192 <        for (n = rbf->nrbf; n-- > 0; ) {
192 >        for (n = ((-.01 > phi) | (phi > .01))*rbf->nrbf; n-- > 0; ) {
193                  ovec_from_pos(outvec, rbf->rbfa[n].gx, rbf->rbfa[n].gy);
194                  spinvector(outvec, outvec, vnorm, phi);
195                  pos_from_vec(pos, outvec);
# Line 485 | Line 485 | load_bsdf_rep(FILE *ifp)
485                  rbfh.invec[0] = getflt(ifp);
486                  rbfh.invec[1] = getflt(ifp);
487                  rbfh.invec[2] = getflt(ifp);
488 +                if (normalize(rbfh.invec) == 0) {
489 +                        fprintf(stderr, "%s: zero incident vector\n", progname);
490 +                        return(0);
491 +                }
492                  rbfh.vtotal = getflt(ifp);
493                  rbfh.nrbf = getint(4, ifp);
494                  newrbf = (RBFNODE *)malloc(sizeof(RBFNODE) +

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